Thermos Tritan 22 oz Hydration Water Bottle with Clip, BPA Free, Blue Made from BPA-free, impact resistant and dishwasher durable Eastman Tritan polyester. Hygienic lid with one handed push button operation is made with BPA-free Eastman Tritan polyester to resist stains and provide durability. Ergonomic Design. 22 ounce capacity; Dishwasher safe. Hydration water bottle which is BPA free